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Older Java

Let’s be honest: Not everyone is writing microservices on Java 21 with virtual threads. Millions of production systems still run on , Java 11 , or even Java 6/7.

: Versions before Java 9 used a double-numbering system. For example, Java 8 is internally identified as version 1.8 , Java 7 as 1.7 , and so on. older java

Before you rewrite everything, understand the actual risks of older Java: Let’s be honest: Not everyone is writing microservices

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